From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E36B3C433DF for ; Tue, 13 Oct 2020 09:12:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 96CF020776 for ; Tue, 13 Oct 2020 09:12:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404179AbgJMJMe (ORCPT ); Tue, 13 Oct 2020 05:12:34 -0400 Received: from mga18.intel.com ([134.134.136.126]:47413 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2403911AbgJMJMe (ORCPT ); Tue, 13 Oct 2020 05:12:34 -0400 IronPort-SDR: 1neVcpG+YCuKRc+8htWNBdEEoLibNbWJDOTj7nMbEtNIqSqGDBf1QCGxV2GjLkyNsdRxOpcYWV fiXVZtfN7iXA== X-IronPort-AV: E=McAfee;i="6000,8403,9772"; a="153709412" X-IronPort-AV: E=Sophos;i="5.77,369,1596524400"; d="scan'208";a="153709412" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Oct 2020 02:12:33 -0700 IronPort-SDR: qgEsupmK3uDMcY42ObeGZ2zjSy4ToffFCnjJDk+dxCRt4lhp2grZ8zy9j2Kntz0Z32XrtzASRh FhhVcRUjG3rQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,369,1596524400"; d="scan'208";a="299544513" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga008.fm.intel.com with ESMTP; 13 Oct 2020 02:12:29 -0700 Received: by black.fi.intel.com (Postfix, from userid 1000) id E984D3A1; Tue, 13 Oct 2020 12:12:28 +0300 (EEST) Date: Tue, 13 Oct 2020 12:12:28 +0300 From: "Kirill A. Shutemov" To: Borislav Petkov Cc: Arvind Sankar , x86@kernel.org, Joerg Roedel , linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86/boot/64: Initialize 5-level paging variables earlier Message-ID: <20201013091228.tzklrsjvo4tvb4ej@black.fi.intel.com> References: <20201008191623.2881677-1-nivedita@alum.mit.edu> <20201010191110.4060905-1-nivedita@alum.mit.edu> <20201010192624.GA4062867@rani.riverdale.lan> <20201012140830.vrc25x2gwo7yo4kn@black.fi.intel.com> <20201012153501.GA559681@rani.riverdale.lan> <20201013081117.GA28215@zn.tnic> <20201013082047.ifigo5hua2qdrv75@black.fi.intel.com> <20201013083358.GB28215@zn.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201013083358.GB28215@zn.tnic> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 13, 2020 at 10:33:58AM +0200, Borislav Petkov wrote: > On Tue, Oct 13, 2020 at 11:20:47AM +0300, Kirill A. Shutemov wrote: > > With TCG or KVM? I use -machine "type=q35,accel=tcg". > > Thx, that triggered it - it was KVM before. > > Btw, are 5level boxes shipping already or not yet? Not yet. > Because I've not seen one yet. If you have access to the hw, I'd > appreciate it if you could test Arvind's patch ontop of > > https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/log/?h=x86/seves > > which does that early pagetable rework. Okay, will do. -- Kirill A. Shutemov